This Applied and Environmental Microbiology journal article (PDF) reports the discovery of group II introns in a bacterial mat sample collected from a deep-sea hydrothermal vent near 9°N on the East Pacific Rise. One of...

This news article reports that scientists recently discovered microbial communities thriving in the slag dumps of the Lake Calumet region of southeast Chicago where the water can reach a pH of 12.8. It describes how slag...

This online enhancement chapter of Raven and Johnson's Biology, a textbook for undergraduate majors, examines the many prokaryotic organisms that inhabit "extreme environments"¬ñhabitats in which some chemical or...

This scientific paper describes the Picrophilaceae, which are the most acidophilic organisms known and amazingly, are able to grow at negative pH values. The authors deduce several features that may contribute to the...

This article explores microbial life in extreme environments associated with salinity, acidity, alkalinity, high temperature, low temperature, radiation, gravity, and pressure. It also introduces the role of...